<%@page import="java.util.regex.Matcher"%>
<%@page import="java.util.regex.Pattern"%>
<%@ page contentType="text/html;charset=UTF-8" %><%
 try {
   out.print("111111111111111<br><br><br><br>a:");
   out.print(request.getParameter("a"));
   
   
   //out.print("2222<br><br><br><br>a:");
   
   //String REGEX="<[^<>]*script[^<>]*>[^<>]*<[^<>]*/script[^<>]*>";
   //Pattern XSS_PATTERN = Pattern.compile(REGEX,Pattern.CASE_INSENSITIVE|Pattern.MULTILINE);
   //String s="fdsfsdf<script>alerdsfdsf</script>";
   //Matcher m=XSS_PATTERN.matcher(s);
   
   //out.print(s.replaceAll(REGEX, "___"));
   
 }
 catch (Exception ex) {
   System.err.println("error"+ex);
 }
%>